
The AirTAC Airtac SDA Ultra Thin Cylinder SDA100X25BH is a genuine double-acting COMPACT (thin) air cylinder with a Ø100mm bore and 25mm stroke, PT3/8 air ports and a riveted short body that saves mounting depth. Sensor slots around the body accept magnetic switches for position sensing.
The AirTAC SDA100X25BH is a double-acting single-rod compact cylinder engineered for heavy-duty tasks requiring substantial force in a minimal axial footprint. It delivers a robust 3927 N push at 0.5 MPa, utilizing a 100mm bore and a 32mm piston rod. The short riveted body design drastically reduces mounting depth compared to conventional round-body units, making it highly effective for machinery where space is strictly limited.
This specific configuration includes a male M26x1.5 threaded piston rod for secure mechanical coupling to your load. It also features a fluororubber (FKM) seal for enhanced thermal and oil resistance. The unit relies on a fixed NBR bumper at each end to decelerate the stroke, and because this SKU lacks the -S magnet, it cannot support magnetic sensing.
| Model | Airtac SDA Ultra Thin Cylinder SDA100X25BH |
|---|---|
| Series | SDA compact (thin) cylinder |
| Bore size | Ø100 mm |
| Stroke | 25 mm |
| Acting type | Double acting |
| Port size | PT3/8 |
| Rod end thread | M18×1.5 female / M26×1.5 male (B) |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 500 mm/s |
| Cushion | Fixed NBR bumper (both ends) |
| Max standard stroke | Up to 120 mm |
Specifications follow the official AirTAC SDA compact-cylinder datasheet. Confirm against the product label before installation. Port thread: PT (standard). Rod: female thread (blank) / male thread (B).
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3525 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| SDA | Compact (thin) double-acting cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×25 | Stroke length in mm. |
| S | Built-in magnet for magnetic-switch position sensing (omit = no magnet). |
| B | Male-thread piston rod (omit = female-thread rod). |
Thread: PT standard. Related SDA-family variants: SSA (single-acting push), STA (single-acting pull), SDAD (double rod), SDAJ (adjustable stroke), SDAT (duplex), SDAW (duplex-end).
Drives heavy ejector pins on a plastic injection molding platen, utilizing the 3927 N extend force to break parts free within a confined press frame.
Acts as a rugged stock guide and hold-down in a sheet metal stamping line, where the short 25mm stroke and FKM seals withstand elevated ambient heat.
Provides high-force clamping for chassis components in robotic welding cells, fitting into tight tooling envelopes where standard profile cylinders fail to fit.
When sizing this actuator, consider stepping down to the SDA80, which provides 2513.3 N of push force at 0.5 MPa, or stepping up to this SDA100 model for the full 3927 N output. A computed safe working load for this 100mm bore is approximately 2356 N, yielding a vertical lift capacity of roughly 200.2 kg with a 2:1 safety margin. Ensure you specify the PT3/8 port, the 25mm stroke, the male M26x1.5 rod thread, and the FKM seal when ordering.
Keep in mind that a standard compact cylinder does not hold its position if air pressure is lost or the valve is centered; the piston will drift. The fixed bumper only decelerates the rod near the stroke end and acts neither as a lock nor a brake. If your application requires strict position holding without live pressure, you must integrate an external rod lock or a pilot-operated check valve.
Quick checklist
This 100mm bore double-acting cylinder provides 3927 N push and 3524.9 N pull at 0.5 MPa, and 5497.8 N push at 0.7 MPa. The theoretical maximum push force is 801 kgf at 1.0 MPa. Operating pressure ranges from 0.15-1.0 MPa, with a speed range of 30-500 mm/s.
No. This model uses a fixed NBR bumper at each end to absorb end-stop impact, which is not an adjustable air cushion. Additionally, because this SKU lacks the -S magnet code, it cannot accept AirTAC reed or electronic switches; you would need the -S variant for position sensing.
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